Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Shannon A Barr

Individual provider Certified Registered Nurse Anesthetist · NPI 1871837096

Shannon A Barr is a Certified Registered Nurse Anesthetist (CRNA) in Boston, Massachusetts. Qualified in 2012, 14 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Massachusetts, Michigan and Pennsylvania.

Years since qualifying
14
Licensed in
MA, MI, PA
In the registry since
2012
Specialties on file
3
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Practice location Address checks out

55 Fruit St
Boston, MA 02114-2621
Phone: (617) 726-3030
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 75 Francis St, Boston, MA 02115-6110 — (617) 732-8210
  • 620 Byron Rd, Howell, MI 48843-1002 — (517) 545-6000
  • 5301 McAuley Dr, Ypsilanti, MI 48197-1051 — (734) 712-9456
  • 1400 Locust St, Pittsburgh, PA 15219-5114 — (412) 232-7911

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence RN10016113 (MA)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence RN607796 (PA)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence 4704378030 (MI)

Record details

NPI number1871837096
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedNovember 15, 2012
Last updated in NPPESJanuary 8, 2026
Certification dateJanuary 8, 2026
Mailing address55 Fruit St, Boston, MA 02114-2621

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Boston